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Abstract

We have conducted an industrial experiment to assess the cost-benefit
tradeoffs of several software inspection processes. Our results to date
explain the variation in observed effectiveness very well, but are unable
to satisfactorily explain variation in inspection interval.
In this article we examine the effect of a new factor - process
environment - on inspection interval (calendar time needed to complete the
inspection). Our analysis suggests that process environment does indeed
influence inspection interval. in particular, we found that non-uniform
work priorities, time-varying workloads, and deadlines have significant
effects.
Moreover, these experiences suggest that regression models are inherently
inadequate for interval modeling, and that queueing models may be more
effective.
(Also cross-referenced as UMIACS-TR-97-19)